delete pics to save space

2023-08-03 09:22:52 +08:00
commit de60cd6ed4
1334 changed files with 66221 additions and 0 deletions
--- a/history_source/信息学奥赛一本通/3.1.1.cpp
+++ b/history_source/信息学奥赛一本通/3.1.1.cpp
@ -0,0 +1,22 @@
+#include<cstdio>
+int main()
+{
+	char stack[25]={'s','\0'},li;
+	int top=1;
+	while(li=getchar(),li!='@')
+	{
+		if(li=='(') stack[top++]=li;
+		if(li==')')
+		{
+			if(stack[top-1]=='(') top--;
+			else
+			{
+				printf("NO\n");
+				return 0;
+			}
+		}
+	}
+	if(top==1) printf("YES\n");
+	else printf("NO\n");
+	return 0;
+}